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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#26416 01/10/2002 4:58 AM | Joined: Jun 2001 Posts: 34 Member | | Member Joined: Jun 2001 Posts: 34 | I have searched the archives but missed the info I need. On the 235 I'm going to put rings in I see that the lifters have holes in them. Are they hydro? Is this good? Why did GM go to hydros? Does oil go up the pushrod to lube the rocker arms? Thanks in advance. Don | | |
#26417 01/10/2002 8:23 AM | Joined: Jul 2001 Posts: 140 Shop Shark | | Shop Shark Joined: Jul 2001 Posts: 140 | there are several benifits of having hydralic lifters. They wont need to be adjusted, and they are much quieter that solid lifters. The rocker arms are fed by a tube that comes up through the head, and those feed the rocker arms. hope this helps, good luck. 
Jonathan S. Keffer
Certified Yeti Trainer
Richard Roy Schlicht-
Good Grandfather, Veteran Wrench Turner...
"If it ain't broke, fix it 'till it is..."
Es gibt nichts, zu befürchten, aber befürchtet sich.
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#26418 01/11/2002 7:50 PM | | Anonymous Unregistered | | Anonymous Unregistered | If they have holes then they are hydraulic. Just my opinion, but I hate them. I had a lot of problems with them collapsing. I only run solids in my stovebolts! | | |
#26419 01/13/2002 2:10 AM | Joined: Jul 2001 Posts: 12 Member | | Member Joined: Jul 2001 Posts: 12 | Don is right on target about the hydraulic lifters leaking down in a stovebolt! After two years of having my newly overhauled 235 six lifters leaking down-especially in during the Winter months- I installed solid lifters and had no more problems. Sure the solids are a little more noisy but that's how a 62 Chevy truck is suspose to sound. I swapped the lifters after consulting the experts there at Stovebolt.com and boy do they know their business! | | |
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